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Tue, 3 Jan 2023 20:38:50 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id 3D74480B777; Tue, 3 Jan 2023 20:38:50 +0000 (UTC) From: nick.hawkins@hpe.com To: verdun@hpe.com, nick.hawkins@hpe.com, jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, corbet@lwn.net, linux@armlinux.org.uk, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 2/5] dt-bindings: hwmon: Add hpe,gxp-fan-ctrl Date: Tue, 3 Jan 2023 14:36:51 -0600 Message-Id: <20230103203654.59322-3-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230103203654.59322-1-nick.hawkins@hpe.com> References: <20230103203654.59322-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: LFPNURXYhEwH2JJF-H2QiI47LbXoYNm0 X-Proofpoint-GUID: LFPNURXYhEwH2JJF-H2QiI47LbXoYNm0 X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-03_07,2023-01-03_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 spamscore=0 mlxscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301030174 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230103_123910_349824_A51B71E8 X-CRM114-Status: GOOD ( 18.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins Create documentation for the binding to support control of the fans on HPE platforms. Signed-off-by: Nick Hawkins Reviewed-by: Rob Herring Reviewed-by: Guenter Roeck --- v4: *No change v3: *No change v2: *Changed plreg to pl *Changed fn2reg to reg *Edited descriptions for all registers *Changed fanctrl to fan-controller *Changed commit description --- .../bindings/hwmon/hpe,gxp-fan-ctrl.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml diff --git a/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml new file mode 100644 index 000000000000..4a52aac6be72 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/hpe,gxp-fan-ctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HPE GXP Fan Controller + +maintainers: + - Nick Hawkins + +description: | + The HPE GXP fan controller controls the fans through an external CPLD + device that connects to the fans. + +properties: + compatible: + const: hpe,gxp-fan-ctrl + + reg: + items: + - description: Fan controller PWM + - description: Programmable logic + - description: Function 2 + + reg-names: + items: + - const: base + - const: pl + - const: fn2 + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + fan-controller@1000c00 { + compatible = "hpe,gxp-fan-ctrl"; + reg = <0x1000c00 0x200>, <0xd1000000 0xff>, <0x80200000 0x100000>; + reg-names = "base", "pl", "fn2"; + };